Decorative calendar



FIG. 1 is a front perspective view of a decorative calendar showing our new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a front elevational view;

FIG. 5 is a side elevational view, the opposite side being a mirror image thereof; and,

FIG. 6 is a rear elevational view thereof. 

The ornamental design for a decorative calendar, as shown and described. 